rx.internal.operators.OnSubscribeSkipTimed Maven / Gradle / Ivy
/**
* Copyright 2014 Netflix, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package rx.internal.operators;
import java.util.concurrent.TimeUnit;
import rx.Observable.OnSubscribe;
import rx.Observable;
import rx.Scheduler;
import rx.Scheduler.Worker;
import rx.Subscriber;
import rx.functions.Action0;
/**
* Skips elements until a specified time elapses.
* @param the value type
*/
public final class OnSubscribeSkipTimed implements OnSubscribe {
final long time;
final TimeUnit unit;
final Scheduler scheduler;
final Observable source;
public OnSubscribeSkipTimed(Observable source, long time, TimeUnit unit, Scheduler scheduler) {
this.source = source;
this.time = time;
this.unit = unit;
this.scheduler = scheduler;
}
@Override
public void call(final Subscriber super T> child) {
final Worker worker = scheduler.createWorker();
SkipTimedSubscriber subscriber = new SkipTimedSubscriber(child);
subscriber.add(worker);
child.add(subscriber);
worker.schedule(subscriber, time, unit);
source.unsafeSubscribe(subscriber);
}
final static class SkipTimedSubscriber extends Subscriber implements Action0 {
final Subscriber super T> child;
volatile boolean gate;
SkipTimedSubscriber(Subscriber super T> child) {
this.child = child;
}
@Override
public void call() {
gate = true;
}
@Override
public void onNext(T t) {
if (gate) {
child.onNext(t);
}
}
@Override
public void onError(Throwable e) {
try {
child.onError(e);
} finally {
unsubscribe();
}
}
@Override
public void onCompleted() {
try {
child.onCompleted();
} finally {
unsubscribe();
}
}
}
}
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